3754921 has 2 divisors, whose sum is σ = 3754922. Its totient is φ = 3754920.

The previous prime is 3754897. The next prime is 3754963. The reversal of 3754921 is 1294573.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3463321 + 291600 = 1861^2 + 540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3754921 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3754981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1877460 + 1877461.

It is an arithmetic number, because the mean of its divisors is an integer number (1877461).

Almost surely, 2^3754921 is an apocalyptic number.

It is an amenable number.

3754921 is a deficient number, since it is larger than the sum of its proper divisors (1).

3754921 is an equidigital number, since it uses as much as digits as its factorization.

3754921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 31.

The square root of 3754921 is about 1937.7618532730. The cubic root of 3754921 is about 155.4295542201.

The spelling of 3754921 in words is "three million, seven hundred fifty-four thousand, nine hundred twenty-one".